Lawn-border trimmer.



C. M. RICHARDSON.

LAWN BORDER TRIMMER. APPLICATION FILED PR. 12, I9l6- RENEWED FEB- 21. 1918.

1,280,551. Patented 0012.1,1918.

' 2 27 (q'u-uawlbt (.MR/ aha s0 NH bums M Elam/wags s5 Correspo11ding and like parts are'referred to in the following description and indicatedin all the views of the drawings bythe.

- f f'rnw v-soniiiim T w k o m it may c'o'hc ern: 4

v :Be it known that IyrGLAnENQn Rich? ARDSON, a citizen of the'United State's, residing at Cleveland, in thecojuntyof; Cuyahoga iand- State of Ohio, have invented certainnew-g and usefulimprovements in Lawn-Border Trimmers, of which the following is, a-speci- 3 over: the ground; The supporting frame includes a U-shaped upper portion "10"and a forwardly directed lower portionll which operates as a shoe to run upon the path or I walk at the edge of the lawn to guide the device when running over the ground and also a proved devicef;

7 This invention. relates to ;i;1n'provenients in devices for I trimming the borders of lawns; andzfor like urposes-and; has for one of its objects to improve fthe' construction" and. in-- crease the efficiency fandfutilityaof devices c 4 i 1. fupper endtoEsupport t'EISttlbSlIitf-tfISWlilchr ycarries arelatively1-sma1lgearSIQ jnJconSt'ant. v t engagement :witlnthe clagrgervgearrl5i;QTheJ of this character. r V jAnothervobject of the invention is to produce a device wherebya rotary cutteris'uti- V V lizedgto forni the edgei f the lawn and to cut; thegrass and other growths to form asym metrical edge to the lawn -or 'pa-rk way and:

vto decrease the'labornecessary to accomplish the desired results. y 1 With these and othcrob'jects in View; the

invention consists in certain novel features of construction, as hereinafter shown and described and then specifically pointed. out" in the claim; and in the drawings illustrative of the preferred embodiment of the inventionr Figure l is a side elevation of the im- Fig. 2 is a plan view;

, Fig. 3 is an enlarged sectional detail on the line 3+3 of Fig. 1 a

Fig. i is a detached perspective view beneath of the ledger member.

same reference characters and having an operating-handlei a rolling cutter for severing the grass, and a traction wheel carried by'the frameand running upon the sod or grass adjacent to the path or walk and the motion of which is imparted to the rolling cutter as the machine is moved to elevate theoverhanging grass which is to be cut and guide it tothe severing device IThe portion of the frame is'providedwith cification o f Lotter a to. engage in the channel. V, V f

.fra'megiis, a; lateral frame, represented; as Whole at '165 -and having a; bearing 511a 1t frame exte'nsion'lfi is likewise providedrwiths spaced apart and" supporting a counter engagement with thegear 19. Thefshaft 21 a 'a' forked forward portion; carrying bearings a 7 ishazftalwhich carriesapinion '22 inconstant is slidablethrough the bearings 20 and. the

pinion 22, while at the sameqtime partaking of' thermotion of the pinion 22.x Anyjsuitable means may; be employed'for transmittingthe motion of the pinion 22 to theshaft,

but forthe purpose of illustrationthe shaft is shown in Fig. 3 provided with'a channel or. V

keyway 31 while'thehubiof the pinion 22-is provided with-an inwardly directed rib 32 Mounted upon the shaft 21 next to the 1 shoe 11 is a cutting-disk'23rand a spring-24 is r locatedfbetween the disk 23 randthe Iadj acent bearings 20'and' operates to maintain the cut- 'f tingdisk yieldably initsouterposition; the

object to'be'hereafter explained :v 1

: Formed in the'upper faceof theishoe '11 is] V ia guideway in which a ledgerplate 26 is- The improved device comprisesin general slidably disposed, the bottom of the guid a supporting frame including a guiding shoe tionby the bolts 29. Thefe'dge of the ledger plate next to the cutting disk 23 is beveled, a '11 as shown in Fig. 45 and operatesjconstantly" against thefcutting" edge of the',disk,. and servesfi'as a self-sharpener to the disk. {The I,

' cutting {edge th e disk at one point only against the beveled edgeof the ledger plate, and when,the' sharpened edge ofthe ledger plate is worn, the latter can be adjusted in the guide-wayiand 'thiisbiingai rially increased. A" handle device of suitable coi'istructlonand represented convenr tionally 1at33 is connectedEto the frameyas edge of the-lawn and. beneath thei oy'erlapping) grass which is thus ,elevatedove'r I the upper face of theshoeand isfoperated up'oii -'rby--the cutting disk 23', and-the grassefi'em tually and uniformly severed, thus produc- 7 ing a corresponding-lynniform and even edg ita lawnfl The sizeof the gears should be sopi'oportioned as to PIOdUCBfl-LVBIY rapid rotation of the cutting disk, and the dimensions 35 may be yaried as -requ ired.- I

"Having thus descrlbed the inventmmwhat V tempered: steel than: the disk 23; s0 that the latter will be maintained ingconstant "shar pened" condition bylcontact; with the ledger I An? implement of the class described co "11- 5 prising a'supporting frame including a bear .40 111g shoe, said shoe having a longitudinallydirected seat opening laterally and upr 7 p wardly a ledger member shorterthan the 1*- "lnfoperating th'e improveddevice'the shoe: portion 11 is moved over the? groundatg the seat and-engaging therein; said ledger memher and seathavnig coacting guiderib and 45 9 channel, -meai1s foi adjusting said ledger member longitudinallyin said, seat, and cutting member carried by said shoe and coacting With said ledger member. 1

- In testimony whereof I aflix my signature. 50 l [CLARENCE MVRICIlAltDSONQ 5; 

